78238160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 160

約数和(自身を含む): 244484352

約数和(自身を除く): 166246192

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 977, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 1954, 2002, 2288, 2860, 3080, 3640, 3908, 4004, 4885, 5005, 5720, 6160, 6839, 7280, 7816, 8008, 9770, 10010, 10747, 11440, 12701, 13678, 15632, 16016, 19540, 20020, 21494, 25402, 27356, 34195, 39080, 40040, 42988, 50804, 53735, 54712, 63505, 68390, 75229, 78160, 80080, 85976, 88907, 101608, 107470, 109424, 127010, 136780, 139711, 150458, 171952, 177814, 203216, 214940, 254020, 273560, 279422, 300916, 355628, 376145, 429880, 444535, 508040, 547120, 558844, 601832, 698555, 711256, 752290, 859760, 889070, 977977, 1016080, 1117688, 1203664, 1397110, 1422512, 1504580, 1778140, 1955954, 2235376, 2794220, 3009160, 3556280, 3911908, 4889885, 5588440, 6018320, 7112560, 7823816, 9779770, 11176880, 15647632, 19559540, 39119080, 78238160]

約数ペア:

[(1, 78238160), (2, 39119080), (4, 19559540), (5, 15647632), (7, 11176880), (8, 9779770), (10, 7823816), (11, 7112560), (13, 6018320), (14, 5588440), (16, 4889885), (20, 3911908), (22, 3556280), (26, 3009160), (28, 2794220), (35, 2235376), (40, 1955954), (44, 1778140), (52, 1504580), (55, 1422512), (56, 1397110), (65, 1203664), (70, 1117688), (77, 1016080), (80, 977977), (88, 889070), (91, 859760), (104, 752290), (110, 711256), (112, 698555), (130, 601832), (140, 558844), (143, 547120), (154, 508040), (176, 444535), (182, 429880), (208, 376145), (220, 355628), (260, 300916), (280, 279422), (286, 273560), (308, 254020), (364, 214940), (385, 203216), (440, 177814), (455, 171952), (520, 150458), (560, 139711), (572, 136780), (616, 127010), (715, 109424), (728, 107470), (770, 101608), (880, 88907), (910, 85976), (977, 80080), (1001, 78160), (1040, 75229), (1144, 68390), (1232, 63505), (1430, 54712), (1456, 53735), (1540, 50804), (1820, 42988), (1954, 40040), (2002, 39080), (2288, 34195), (2860, 27356), (3080, 25402), (3640, 21494), (3908, 20020), (4004, 19540), (4885, 16016), (5005, 15632), (5720, 13678), (6160, 12701), (6839, 11440), (7280, 10747), (7816, 10010), (8008, 9770)]